Home / 9,985.43-13,779.88-6,006.83

Finding the Fourth Proportional to 9,985.43, 13,779.88 and 6,006.83

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Solution

The fourth proportional to 9,985.43, 13,779.88 and 6,006.83 is: 8,289.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,985.43 : 13,779.88 = 6,006.83 : x
  2. Step 2: Convert to fraction form
    9,985.43/13,779.88 = 6,006.83/x
  3. Step 3: Cross multiply
    9,985.43x = 13,779.88 × 6,006.83
  4. Step 4: Simplify right side
    9,985.43x = 82,773,312.66
  5. Step 5: Solve for x
    x = 82,773,312.66/9,985.43
  6. Step 6: Final answer
    x = 8,289.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.